Naruto isn't smart enough to use RSM to its full potential, all he ever relies on are Rasengan variants.
Smarts, Naruto may have the talent to use advanced jutsu but he doesn't have the creativity of prodigies like Minato and Tobirama to create new techniques.
Think so? During the gaiden Naruto never once used a rasengan. In fact he created his own genjutsu like jutsu. Remember when he brought Shin into his inner world and showed him the 9 tails -You must be registered for see linkstoYou must be registered for see links
In Naruto the last:
- Naruto learned how to release the 9 tails from his body at will. That means Naruto created a new 9 tail seal because none of the previous seals allowed the 9 tails to be freely released from his body.
- Naruto used an unknown jutsu (none rasengan) to remove the chakra ball from Hinata (it appears to be yin-yang based since he was able to remove the charka ball from Hinata without injuring her)
It wasn't really genjutsu, it was more like Kurama's will being felt through his chakra, a similar feat has been done in part 1
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And again I said he can do compicated feats thanks to "understanding of all things" but advanced techinque=/= advanced creativity. Think of using chakra as being a musician, you can play the most complicated notes and songs but that doesn't mean you can create the best music.
[video=youtube;OIxRPFL-DbQ]https://www.youtube.com/watch?v=OIxRPFL-DbQ[/video]
Is this canon ?